平ら: flat, even, level, smooth, having no variation in altitude

平: a male given name / 平: a surname

太平:

(literary) they (about women or girls)

(history) the House of Peers (upper house of Japan's Imperial Diet) / the House of Lords (upper house of Britain's or Ireland's Parliament)

aristocracy

(linguistics) women's language; women's speech

misogyny

Used when something comes to mind: to recall / Used to express agreement: yeah, of course

(chiefly in the negative) so much; so often; so long; particularly; especially